<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* list-style:dis| none|square|circle; */
        li{
            list-style: square;
        }
    </style>

</head>
<body>
    <ul>
        <li>css</li>
        <li>html</li>
        <li>js</li>
    </ul>
</body>
</html>